Ferromagnetic (FM) microstructures in the FM metallic phase of La0.825Sr0.175MnO3 were examined by means of Lorentz transmission electron microscopy (Lorentz TEM) and small-angle electron diffraction (SAED). Microstructures of FM domains depend strongly on the crystal structures. The structural phase transition at 185 K accompanies with a drastic change of 180 degree FM domain structures from macroscopic wide domains to striped narrow domains. Lorentz TEM and SAED experiments revealed that a distribution of the magnetization in the striped FM domains is non-uniform and locally fluctuated.
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Research Article| Magnetism and Magnetic Materials| March 07 2012
Ferromagnetic microstructures in the ferromagnetic metallic phase of La0.825Sr0.175MnO3
T. Koyama, Y. Togawa, K. Takenaka, S. Mori; Ferromagnetic microstructures in the ferromagnetic metallic phase of La0.825Sr0.175MnO3. J. Appl. Phys. 1 April 2012; 111 (7): 07B104. https://doi.org/10.1063/1.3677684
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